Keying visibility of object collections with single property in 2.8?
You could make a link to object animation data.
First step: Keyframe single object visibility
Select one object and in Object Properties under Visibility keyframe property Show in Viewports. This can be done by hovering cursor over the checkbox and pressing i . Keyframe will be placed in your timeline to current frame. For example you can keyframe object visible at frame 0 by checking the checkbox and keyframing it and make it disappear at frame 100 by unchecking the checkbox and keyframing it.
Second step: Link other objects animation data
Select all the objects you want to keyframe and last select the object that was already keyframed. Press Ctrl + L  and select Animation Data. Now all selected objects will appear and disappear at the same frame.